// read URL vars, return associative array
//USAGE: var hash = getUrlVars();
function getUrlVars()
{
  var vars = [], hash;
  var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
  for(var i = 0; i < hashes.length; i++)
  {
    hash = hashes[i].split('=');
    vars.push(hash[0]);

    hash[1] = hash[1].replace(/ /g,"%20");

    vars[hash[0]] = hash[1];
  }
  return vars;
}